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Atomic-scale mapping of twins and relevant defective structures in Al20Cu2Mn3 decagonal approximant
Wang, J.1; Zhang, B.1; He, Z. B.2; Wu, B.1; Ma, X. L.1
Corresponding AuthorMa, X. L.(xlma@imr.ac.cn)
2016
Source PublicationPHILOSOPHICAL MAGAZINE
ISSN1478-6435
Volume96Issue:23Pages:2457-2467
AbstractTwins or multiple twins occur frequently in the orthorhombic Al20Cu2Mn3 approximant of decagonal quasi crystal (DQC). Due to the specific structural units, the twins in the Al20Cu2Mn3 approximant usually exhibit the glide-reflection characteristics. Using aberration-corrected transmission electron microscope at the atomic scale, we have observed not only glide-reflection twins but also simple mirror-reflection twins in the Al20Cu2Mn3 approximant. The two twinning modes are found to coexist in the present sample. These twins exhibit variant configurations at the twin boundaries where the tessellations of local subunits are imaged at an atomic scale. At the twin boundaries, diversified tiles such as star-like (S), bowtie-shaped and boat-shaped (B) are observed. The diversified tiles stacking with various manners allow the coexistence of the DQC and the approximant. Furthermore, the variants of B and S tiles are also found.
KeywordTransmission electron microscopy decagonal approximant twins defects
Funding OrganizationNational Natural Science Foundation of China ; Innovation Fund in IMR ; Self-determined Project of State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing ; Fundamental Research Funds for the Central Universities, China
DOI10.1080/14786435.2016.1205229
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51101157] ; National Natural Science Foundation of China[51471024] ; Innovation Fund in IMR[SCJJ-2013-PY-09] ; Self-determined Project of State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing[2014Z-03] ; Fundamental Research Funds for the Central Universities, China
WOS Research AreaMaterials Science ; Mechanics ; Metallurgy & Metallurgical Engineering ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Mechanics ; Metallurgy & Metallurgical Engineering ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000381288000004
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/122646
Collection中国科学院金属研究所
Corresponding AuthorMa, X. L.
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang, Peoples R China
2.Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wang, J.,Zhang, B.,He, Z. B.,et al. Atomic-scale mapping of twins and relevant defective structures in Al20Cu2Mn3 decagonal approximant[J]. PHILOSOPHICAL MAGAZINE,2016,96(23):2457-2467.
APA Wang, J.,Zhang, B.,He, Z. B.,Wu, B.,&Ma, X. L..(2016).Atomic-scale mapping of twins and relevant defective structures in Al20Cu2Mn3 decagonal approximant.PHILOSOPHICAL MAGAZINE,96(23),2457-2467.
MLA Wang, J.,et al."Atomic-scale mapping of twins and relevant defective structures in Al20Cu2Mn3 decagonal approximant".PHILOSOPHICAL MAGAZINE 96.23(2016):2457-2467.
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